San Francisco Standards for Bird-Safe Buildings...

Standard (white) CollidEscape and CollidEscape Clear were created prior to the initiation of the San Francisco Planning Department's Standards for Bird-Safe Buildings, released in the summer of 2011. CollidEscape has been reviewed by the authors of these standards, including AnMarie Rodgers, Manager of Legislative Affairs, City & County of San Francisco Planning Department, with whom we have met to discuss these issues. Both forms of CollidEscape eliminate or far exceed the recommended minimum actions called out under the "location related hazards" and for the"feature-related hazards".

 

While the performance of CollidEscape regarding migratory path impacts resulting from nighttime reflections at higher elevations on buildings is, at this point, circumstantial, a significant reduction in these impacts have been observed in numerous installations across North America.

Professional installation is available anywhere in North America.  Contact us for details.

*According to Christine Sheppard, Bird Collisions Campaign Manager at the American Bird Conservancy:  "Tunnel testing does not account for the impact of reflections, which can reduce pattern effectiveness by obscuring the existence of, levels of and magnitudes of reflections are extremely site specific. Threat factors thus do not translate directly as ‘levels of effectiveness’ outside the tunnel setup. Tunnel tests take place under controlled conditions and monitoring these materials post construction is necessary to validate current assumptions."  -  "While it seems likely that the threat factor for Collidescape reflects effectiveness, we can’t say that – at this point, it is an inference, although I hope to be able to actually test both versions of Collidescape in the near future. And more to the point, we don’t have much data for the real-world effectiveness of most materials tested in the tunnel – so to translate a tunnel score of 75 to real-world effectiveness requires a situation where collisions data have been collected before remediation and then afterward. Until then, what I can say is that under controlled conditions, 75% of birds flew to the control."

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